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. Author manuscript; available in PMC: 2013 Sep 13.
Published in final edited form as: Conf Proc IEEE Eng Med Biol Soc. 2012;2012:1327–1330. doi: 10.1109/EMBC.2012.6346182

Fig. 1.

Fig. 1

Estimating visual feedback delay. (A) Cursor trajectory (black line) to a target (green circle) during an IZ trial. Angular aiming error is shown for the third timestep after the cursor exited the invisible zone (gray circle). Solid red line shows the direction of the decoded velocity (from equation 1). Dashed red line shows the smallest angular correction that would bring the cursor (dashed red circle) to the target and achieve task success. (B) Trial-averaged angular errors for IZ trials, indicating error correction (triangle) four timesteps following cursor visibility. Shaded region indicates +/− SEM (n = 10, 320).